In this 2017 photo, Hammock lab administrator Cindy McReynolds, now a doctoral student in the Hammock lab, tries to avoid a balloon. (Photo by Kathy Keatley Garvey)

In this 2017 photo, Hammock lab administrator Cindy McReynolds, now a doctoral student in the Hammock lab, tries to avoid a balloon. (Photo by Kathy Keatley Garvey)

In this 2017 photo, Bruce Hammock douses Louisa Lo, who was his executive administrative assistant before moving to Michigan with her family. Her husband, Kin Sing Stephen Lee, is is on the faculty of Michigan State University's Pharmacology and Toxicology, while she is an administrative assistant at the university. (Photo by Kathy Keatley Garvey)

In this 2017 photo, Bruce Hammock douses Louisa Lo, who was his executive administrative assistant before moving to Michigan with her family. Her husband, Kin Sing Stephen Lee, is is on the faculty of Michigan State University's Pharmacology and Toxicology, while she is an administrative assistant at the university. (Photo by Kathy Keatley Garvey)